Citrus Drainclens is a highly concentrated biodegradable chemical designed for odour and grease control in difficult areas where grease or bacteria are the source of odours and subsequently attracting flies and germs etc. Citrus Drainclens is sprayed, dripped or poured directly onto source of odour, prevents growth of algae and destroys slime and grease deposits. It will also inhibit the growth of sulphate, reducing bacteria and growth of fungi.